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Fine tuning 120-130

posted by  planetman on  Thu Mar 26 14:54 CST 2009
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last visit: Fri Oct 24 09:29 CST 2014
[RELATED]

Hello,

I always run DX needles on B20 engines with HS6 carburaters.

I have had problems with Grose float valves and I prefer float valves that have a spring loaded pin or ball on 1 end and a rubber tip on the other end.

Initial fuel adjustment is 2 turns (12 flats) down from full lean (jet tube flush to the top of the bushing inside throttle body) on each carburater.

I have found this combination will have a slightly rough idle, but the performance and fuel mileage easily offset this minor short coming.

--
Eric
Hi Performance Automotive Service (formerly OVO or Old Volvos Only)
Torrance, CA 90502






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